Iml International

Chia-Te Fu

Chiayao S Tung

Sintiat Te

A method includes: detecting one of a short-to-ground condition and a short-to-supply condition at an output node; after a delay, selectively activating a feedback control transistor according to the detecting; detecting a first current passing through a first transistor using a second transistor sized to be smaller than the first transistor; mirroring the detected current using a plurality of transistors to form a feedback current; and providing the feedback current to a gate electrode of the first transistor according to the selectively activating the feedback control transistor.

Short circuits and power limit protection circuits

In one embodiment, a method includes: detecting one of a short-to-ground condition and a short-to-supply condition at an output node; after a delay, selectively activating a feedback control transistor according to the detecting; detecting a first current passing through a first transistor using a second transistor sized to be smaller than the first transistor; mirroring the detected current using a plurality of transistors to form a feedback current; and providing the feedback current to a gate electrode of the first transistor according to the selectively activating the feedback control transistor.

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Hsinchu, Taiwan

Chia-Te Fu